Loureiro, J. de (1790), Flora Cochinchinensis Edn. 1, 2: 520 [tax. nov.]

• Type: Galeola nudiflora Lour.

Reichenbach, H.G. (28 March 1865), Xenia Orchidacea 2(4): 77 [secondary reference]

Mueller, F.J.H. von (1882), Systematic Census of Australian Plants: 111 [secondary reference]

taxonomic synonym: Erythrorchis Blume legitimate taxonomic synonym: Ledgeria F.Muell. legitimate

Dixon, W.A. (1906), The Plants of New South Wales: 253-254 [secondary reference]

Bailey, F.M. (1913), Comprehensive Catalogue of Queensland Plants: 536 [secondary reference]

taxonomic synonym: Ledgeria F.Muell. legitimate

Sulman, F. (1914), A Popular Guide to the Wild Flowers of New South Wales II: 180 [secondary reference]

• Etymology: From the Latin galeola (a helmet-shaped vessel) referring to the shape of the incurved upper sepal.

Rupp, H.M.R. (January 1944), The Orchids of New South Wales: 101-103 [secondary reference]

Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains: 461 [secondary reference]

Dockrill, A.W. (1969), Australian Indigenous Orchids: 227-229 [secondary reference]

Jacobs, S.W.L. & Pickard, J. (1981), Plants of New South Wales: 30 [secondary reference]

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 81 [secondary reference]

Brummitt, R.K. (1992), Vascular Plant Families and Genera: 238 [secondary reference]

taxonomic synonym: Ledgeria F.Muell. legitimate

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - APC [secondary reference]

• APC Comment: A widespread taxon, recorded in an Australian context only as the parent of several species names now treated as synonyms in Erythrorchis Blume and Pseudovanilla Garay.

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